MKHAMMER PERFORMANCE SERIES ENGINESReliability meets brute power with a 1-year limited warranty Machined by master machinist. THUNDER WORKS Each Mkhammer performance series engine is hand built based on a new Dart big M block, 4340 forged crank, 4340h-beam rod w/ARP rod bolts, forged piston and plasma Molly rings. Dart pro1 coated heads with inconel valves Roller hydraulic cam and lifters, True roller billet timing set SFI race balancer, and a 15lb. LSC aluminum flywheel, Milidon offshore oil pan, Imco valve covers, Imco timing cover. to top it off a port matched Edelbrock or Dart pro1 marine intake manifold. Designed to run wet style long riser exhaust Exhaust,carb and ignition sold separatly
![]() DART 540 C.I. 600 HP MARINE ENGINE600 hp 540 C.I. great HP 500 replacement engine. The 540 delivers strong low end and mid range and pulls hard to maximum RPM 1800 to 5400 rpm... $12,700.00 ... more info ![]() DART 565 C.I.675 HP MARINE ENGINE675hp 565 C.I. when the 540 is not enough to push a large single engine cat or V-bottom The 565 delivers brute low end and pulls hard to maximum RPM... $12,700.00 ... more info ![]() DART 598 C.I. 725 HP MARINE ENGINE725 hp 598 C.I. Brute power meets reliability The 598 Is engineered to last for those 100 MPH plus runs time and time again. Recommended operating... $13,900.00 ... more info |
502 Block (bare) Gen V & VI with fuel pump boss $1,800.00 $1,650.00 Save: 8% off |








